SEDNA - PCIE USB 3.1 2 Port Type A Adapter (10 Gbps) with Low Profile Bracket Bus type : PCIE 4X 2 x USB 3.1 10Gbps Type A external port Chipset : ASM1142 Transfer Rate: 10Gbps,5Gbps,480Mbps Fully compatible with USB 3.1,usb 3.0, USB2.0